arrow-core / arrow.core.extensions.option.functor / arrow.Kind / tupleLeft

tupleLeft

@JvmName("tupleLeft") fun <A, B> Kind<ForOption, A>.~~tupleLeft~~(arg1: B): Option<Tuple2<B, A>> Deprecated: @extension kinded projected functions are deprecated

Pairs B with A returning a Kind<F, Tuple2<B, A>>

Kind<F, A> -> Kind<F, Tuple2<B, A>>

import arrow.core.extensions.option.applicative.just
import arrow.core.extensions.option.functor.tupleLeft

fun main(args: Array<String>) {
 val result =
 //sampleStart
 "Hello".just().tupleLeft("World")
 //sampleEnd
 println(result)
}